Playbook that installs ruby.

By default it installs 1.9.3-p374 in /opt/www/.rbenv and gems go
in /opt/www/.gem, which replicates the vagrant box

playbooks/edxapp_prod.yml

@@ -7,3 +7,4 @@
     - common
     - nginx
     - lms
+    - ruby

playbooks/edxapp_rolling_example.yml

@@ -21,6 +21,7 @@
     - common
     - nginx 
     - lms
+    - ruby
   post_tasks:
     - local_action: command util/elb_reg.py -e {{ ",".join(elbs[ansible_ec2_instance_id]) }} -i {{ ansible_ec2_instance_id }} register
 # Register will pass in the same elb list and the same instance id 

playbooks/edxapp_stage.yml

@@ -7,3 +7,4 @@
     - common
     - nginx
     - lms
+    - ruby

playbooks/group_vars/all

 ---
 app_base_dir: /opt/wwc
+ruby_base: /opt/www
 
 #where are the secure files on the deploying machine?
 secure_file_dir: ../../edx-secret/ansible/vars/

playbooks/roles/common/tasks/create_users.yml

 ---
+- name: Create 'www' user (replicating historical environment)
+  user: name=www state=present
+  sudo: True
 - name: Create 'edx' users group
   group: name=edx state=present
   sudo: True

playbooks/roles/common/tasks/main.yml

@@ -3,6 +3,9 @@
 - name: Create application root
   sudo: True
   file: path=$app_base_dir state=directory owner=root group=root
+- name: Create ruby base
+  sudo: True
+  file: path=$ruby_base state=directory owner=www group=www
 - name: Create log directory
   sudo: True
   file: path=/mnt/logs state=directory

playbooks/roles/ruby/tasks/main.yml

+#
+#cribbed from https://github.com/mmoya/ansible-playbooks/blob/master/rbenv/main.yml
+- name: rbenv | install build depends
+  sudo: true
+  apt: pkg=$item state=present install_recommends=no
+  with_items:
+    - build-essential
+    - git
+    - libcurl4-openssl-dev
+    - libmysqlclient-dev
+    - libreadline-dev
+    - libssl-dev
+    - libxml2-dev
+    - libxslt1-dev
+    - zlib1g-dev
+
+- name: rbenv | update rbenv repo
+  sudo: true
+  git: repo=git://github.com/sstephenson/rbenv.git dest=$rbenv_root version=v0.4.0
+
+- name: rbenv | add rbenv to path
+  sudo: true
+  file: path=/usr/local/bin/rbenv src=${rbenv_root}/bin/rbenv state=link
+
+- name: rbenv | add rbenv initialization to profile
+  sudo: true
+  template: src=rbenv.sh.j2 dest=/etc/profile.d/rbenv.sh owner=root group=root mode=0755
+
+- name: rbenv | check ruby-build installed
+  sudo: true
+  command: test -x /usr/local/bin/ruby-build
+  register: rbuild_present
+  ignore_errors: yes
+
+- name: rbenv | create temporary directory
+  command: mktemp -d
+  register: tempdir
+  when_failed: $rbuild_present
+
+- name: rbenv | clone ruby-build repo
+  git: repo=git://github.com/sstephenson/ruby-build.git dest=${tempdir.stdout}/ruby-build
+  when_failed: $rbuild_present
+
+- name: rbenv | install ruby-build
+  sudo: true
+  command: ./install.sh chdir=${tempdir.stdout}/ruby-build
+  when_failed: $rbuild_present
+
+- name: rbenv | remove temporary directory
+  file: path=${tempdir.stdout} state=absent
+  when_failed: $rbuild_present
+
+- name: rbenv | check ruby $ruby_version installed
+  shell: RBENV_ROOT=${rbenv_root} rbenv versions | grep $ruby_version
+  register: ruby_installed
+  ignore_errors: yes
+
+- name: rbenv | install ruby $ruby_version
+  shell: RBENV_ROOT=${rbenv_root} rbenv install $ruby_version
+  sudo: true
+  when_failed: $ruby_installed
+
+- name: rbenv | set global ruby $ruby_version
+  shell: RBENV_ROOT=${rbenv_root} rbenv global $ruby_version
+  sudo: true
+  when_failed: $ruby_installed
+
+- name: rbenv | rehash
+  shell: RBENV_ROOT=${rbenv_root} rbenv rehash
+  sudo: true
+  when_failed: $ruby_installed
+
+- name: gem | gem install bundle
+  shell: RBENV_ROOT=${rbenv_root} GEM_HOME=${gem_home} ${rbenv_root}/shims/gem install bundle chdir=${app_base_dir}/mitx
+  sudo: true
+
+- name: bundle | bundle install
+  shell: RBENV_ROOT=${rbenv_root} GEM_HOME=${gem_home} ${gem_home}/bin/bundle install chdir=${app_base_dir}/mitx

playbooks/roles/ruby/templates/rbenv.sh.j2

+export RBENV_ROOT="{{ rbenv_root }}"
+eval "$(rbenv init -)"

playbooks/roles/ruby/vars/main.yml

+---
+rbenv_root: "{{ ruby_base }}/.rbenv"
+ruby_version: "1.9.3-p374"
+gem_home: "{{ ruby_base }}/.gem"